RT null T1 Ministry of Environment Mali K1 mercury YR 2009 FD 2009-11 LK https://wedocs.unep.org/handle/20.500.11822/12540 UL https://wedocs.unep.org/handle/20.500.11822/12540 NO Ministry of Environment Mali NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Documents/PartneshipsAreas/PartneshipsLetters/Mali.pdf DS UN Environment Document Repository RD Sep 17, 2026